Y's for men × MASSES collaboration features a striking lightning-patterned open-collar shirt. Made from stripe fabric with the texture of dobbie weave and lightning print, it includes a sharp collar cut, chest patch pocket, a loop-fastened top button, and a flat boxy hem, capturing a classic style. Can be paired with matching pants.

- Collaboration between Y's for men and MASSES
- Lightning-patterned open-collar shirt
- Stripe fabric resembling dobbie weave
- Features like sharp collar and patch pocket
- Loop-fastened top button and boxy hem
- Pairs as a set with matching pants
- Sample model images may vary from the final product